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Extech RH520A-220

Humidity & Temperature Chart Recorder -20 to 140°F w/Detachable Probe (220V)

Brand: Extech
Model No: RH520A-220
Our Model No: RH520A220
Condition: NEW
PDF Document Icon Data Sheet (227 KB)


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  • Simultaneous numerical and graphical display of Humidity and Temperature readings, plus Time and Date
  • Measures Humidity (10 to 95%RH) and Temperature (-20.0°F to 140.0°F) plus calculates Dew Point
  • Basic accuracy 3%RH, 1.8°F/1°C
  • Large dual graphical LCD displays with adjustable vertical and horizontal TAC resolution
  • Internal memory records up to 49,000 data points and can be transferred to a PC via RS-232 serial port for further data analysis
  • LCD indicates percentage of memory remaining
  • 220 Volts

The Extech RH520A-220 paperless chart recorder provides simultaneous digital and graphical display of relative humidity and temperature. The display also shows dew point, date and time and Min/Max measurements. Stored readings can be recalled on the display or downloaded to a PC to obtain a permanent record. Provisions for wall mounting or the control panel swivels to act as a desk stand. The user can set audible and visual alarms with High and Low limits for humidity and temperature. LabView software calculates Wet Bulb and Grains per Pound (GPP).

  • 1 - Detachable Sensor Probe With 1 Meter Cable
  • 1 - Rs-232 Cable With Usb Adapter
  • 1 - Labview-Based Software
  • 1 - 100-240 Vac 50/60Hz Adapter
  • 3 - AA Batteries
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Datasheet: PDF Document Icon(227 KB)
Manual: PDF Document Icon(411 KB)
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